ATI Inc. is a specialty materials company that designs and manufactures high-performance alloys, metallic powders, and finished components for aerospace, defense, and energy markets. Operating through two segments, the company produces nickel-based and titanium-based superalloys in cast, wrought, and powder forms, along with specialty alloys such as zirconium and hafnium, serving applications requiring resistance to extreme temperatures, corrosion, and radiation. The company generates revenue through direct customer relationships and multi-year supply agreements with major aerospace original equipment manufacturers including Boeing, Airbus, GE Aerospace, Rolls-Royce, and Pratt & Whitney, with aerospace and defense representing its largest market segment, while energy, medical devices, electronics, and industrial applications provide diversified end-market exposure.